1. Material: fat and thin leg of lamb, onion, cumin powder, cumin grains, Chili powder, salt, sugar, white sesame seeds and bamboo sticks.

2. Cut the leg of lamb into cubes with a volume of about 1.5-2 cubic centimeters, add 2 spoonfuls of milk and appropriate amount of chopped green onion and marinate for about 15 minutes;

3. Add a proper amount of salt, sugar, cumin powder, cumin granules, Chili powder and white sesame seeds and mix well;

4. Soak the bamboo stick in water in advance after washing;

5. Evenly string the marinated mutton slices on the bamboo stick, brush with olive oil, sprinkle with appropriate amount of cumin powder, cumin grains, Chili powder and white sesame seeds, preheat in the oven at 200 degrees Celsius (392 degrees Fahrenheit), and bake for 10- 15 minutes (turning over halfway) until the mutton surface creaks and is oily.